bspresencedialog.java

一款即时通讯软件

package edu.ou.kmi.buddyspace.gui;

/*
 * BSPresenceDialog.java
 *
 * Project: BuddySpace
 * (C) Copyright Knowledge Media Institute 2002
 *
 *
 * Created on 25 September 2002, 9:06
 */

import java.awt.*;
import javax.swing.*;
import java.beans.*; // Property change stuff
//import java.util.*;

//import org.jabber.jabberbeans.*;
import org.jabber.jabberbeans.util.*;

import edu.ou.kmi.buddyspace.gui.*;
import edu.ou.kmi.buddyspace.core.*;

/**
 * <code>BSPresenceDialog</code> allows entering of custom-defined presence.
 *
 * @author  Jiri Komzak, Knowledge Media Institute, Open University, United Kingdom
 */

public class BSPresenceDialog extends JDialog {
    private JOptionPane optionPane;
    public String show = null;
    public String status = null;
    public final int MIN_PRIORITY = 0;
    public final int MAX_PRIORITY = 10;
    
    /** Constructor */
    BSPresenceDialog(Frame _parent, BSPresenceBean _presenceBean) {
        super(_parent, "Change presence", true);
        
        final Frame parent = _parent;
        final BSPresenceBean presenceBean = _presenceBean;
        
        final JComboBox showComboBox = new JComboBox();
        showComboBox.addItem(BSMainFrame.SHOW_ONLINE_STR);
        showComboBox.addItem(BSMainFrame.SHOW_CHAT_STR);
        showComboBox.addItem(BSMainFrame.SHOW_AWAY_STR);
        showComboBox.addItem(BSMainFrame.SHOW_XA_STR);
        showComboBox.addItem(BSMainFrame.SHOW_DND_STR);

        final JComboBox statusComboBox = new JComboBox();
        statusComboBox.setEditable(true);
        statusComboBox.addItem("");
        statusComboBox.addItem("Lunch");
        statusComboBox.addItem("Be right back");
        statusComboBox.addItem("Meeting");
        statusComboBox.addItem("Gone home");
        statusComboBox.addItem("Gone to work");
        statusComboBox.addItem("Sleeping");
        statusComboBox.addItem("Working");
        statusComboBox.addItem("Free for chat");
        statusComboBox.addItem("Away");
        statusComboBox.addItem("Extended away");
        statusComboBox.addItem("Do not disturb");
        
        final JComboBox priorityComboBox = new JComboBox();
        priorityComboBox.setEditable(false);
        for (int i = MIN_PRIORITY; i < MAX_PRIORITY+1; i++)
            priorityComboBox.addItem(new Integer(i));
        priorityComboBox.setSelectedItem(new Integer(0));
        
        BSPresenceInfo pi = presenceBean.getResourcePresence(
                                            new JID(BSMainFrame.username, 
                                                    BSMainFrame.server, 
                                                    BSMainFrame.resource));
        if (pi != null) {
            String showStr = pi.getShow();
            if (showStr == null || BSPresenceInfo.SHOW_ONLINE.equals(showStr))
                showComboBox.setSelectedItem(BSMainFrame.SHOW_ONLINE_STR);
            else if (BSPresenceInfo.SHOW_CHAT.equals(showStr))
                showComboBox.setSelectedItem(BSMainFrame.SHOW_CHAT_STR);
            else if (BSPresenceInfo.SHOW_DND.equals(showStr))
                showComboBox.setSelectedItem(BSMainFrame.SHOW_DND_STR);
            else if (BSPresenceInfo.SHOW_AWAY.equals(showStr))
                showComboBox.setSelectedItem(BSMainFrame.SHOW_AWAY_STR);
            else if (BSPresenceInfo.SHOW_XA.equals(showStr))
                showComboBox.setSelectedItem(BSMainFrame.SHOW_XA_STR);

            statusComboBox.setSelectedItem(pi.getStatus());
            priorityComboBox.setSelectedItem(new Integer(pi.getPriority()));
        }
        
        Object[] fields = {"Show: ", showComboBox,
                           "Status: ", statusComboBox,
                           "Priority: ", priorityComboBox};
        
        final String okButton = "OK";
        final String cancelButton = "Cancel";
        Object[] options = {okButton, cancelButton};

        optionPane = new JOptionPane(fields, 
                                     JOptionPane.PLAIN_MESSAGE,
                                     JOptionPane.OK_CANCEL_OPTION,
                                     null,
                                     options,
                                     options[0]);
        setContentPane(optionPane);
        setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);

        pack();
        setLocationRelativeTo(parent);
        
        // handles actions
        optionPane.addPropertyChangeListener(new PropertyChangeListener() {
            public void propertyChange(PropertyChangeEvent e) {
                String prop = e.getPropertyName();
			
                if (isVisible() 
                    && (e.getSource() == optionPane)
                    && (prop.equals(JOptionPane.VALUE_PROPERTY) ||
                      prop.equals(JOptionPane.INPUT_VALUE_PROPERTY))) {
                    Object value = optionPane.getValue();

                    if (value == JOptionPane.UNINITIALIZED_VALUE) {
                        // ignore reset
                        return;
                    }

                    // Reset the JOptionPane's value.
                    // If you don't do this, then if the user
                    // presses the same button next time, no
                    // property change event will be fired.
                    optionPane.setValue(JOptionPane.UNINITIALIZED_VALUE);

                    if (value.equals(okButton)) {
                        if (presenceBean == null) {
                            JOptionPane.showMessageDialog(parent, 
                                          "Cannot send presence",
                                          "Error", 
                                          JOptionPane.ERROR_MESSAGE);
                            setVisible(false);
                            return;
                        }
                        show = (String) showComboBox.getSelectedItem();
                        status = (String) statusComboBox.getSelectedItem();
                        int priority = ((Integer) priorityComboBox.getSelectedItem()).intValue();
                        
                        if (BSMainFrame.SHOW_ONLINE_STR.equals(show))
                            presenceBean.setMyPresence(true, null, status, priority);
                        else if (BSMainFrame.SHOW_CHAT_STR.equals(show))
                            presenceBean.setMyPresence(true, BSPresenceInfo.SHOW_CHAT, status, priority);
                        else if (BSMainFrame.SHOW_AWAY_STR.equals(show))
                            presenceBean.setMyPresence(true, BSPresenceInfo.SHOW_AWAY, status, priority);
                        else if (BSMainFrame.SHOW_XA_STR.equals(show))
                            presenceBean.setMyPresence(true, BSPresenceInfo.SHOW_XA, status, priority);
                        else if (BSMainFrame.SHOW_DND_STR.equals(show))
                            presenceBean.setMyPresence(true, BSPresenceInfo.SHOW_DND, status, priority);
                        setVisible(false);
                        return;
                    }
                    else if (value.equals(cancelButton)) {
                        setVisible(false);
                    }
                }
            }
        });
    }
}